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Single Family ResidenceResidential
$277,535
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

521 N SPRING ST

MASON, TX 76856
0
Baths
3.82 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$278K
$255K low$300K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$618 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$38,916 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,673
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,243
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,063
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$38,916

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
91
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
75
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
37
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.127 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMason
Lot (acres)The size of the land the home sits on, from county records.3.82

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Mason Elementary SchoolA-
Elementary · Grades PK–4 · 0.8 mi
M
Mason Jr High SchoolA-
Middle · Grades 5–8 · 0.8 mi
H
Mason High SchoolA
High · Grades 9–12 · 0.9 mi

District: Mason Independent School District

Neighborhood · ZIP 76856These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.77%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.3,509
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,312
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,980
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.29 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.65%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

521 N Spring St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Has a bigger lot than 86% of homes in Mason 76856

What homes are worth in Mason 76856

Each bar is how many homes fall in that price range. The marker is this home.

This home
$100K$910K

This home is worth more than 48% of homes in Mason 76856.

How it measures up in Mason 76856

The dot is this home. The mark in the middle is the typical home in Mason 76856.

Estimated value$277,535
CheaperTypical $285,587Pricier

Pricier than 48% of homes nearby

Lot size3.82 ac
SmallerTypical 0.71 acBigger

Bigger than 86% of homes nearby

How 521 N Spring St ranks against every home in each area.
MeasureThis homeMason 76856
Estimated valuepricier than$277,53548% of homes
Lot sizebigger than3.82 ac86% of homes

About 521 N Spring St

How much is 521 N Spring St, Mason, TX worth?

The TopHap Estimate for 521 N Spring St, Mason, TX is $277,535 as of Sep 24, 2026. The likely range is $255,171 to $299,899. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 521 N Spring St, Mason, TX?

521 N Spring St, Mason, TX is assigned to Mason Elementary School (elementary), rated A-; Mason Jr High School (middle), rated A-; Mason High School (high), rated A. All sit in Mason Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 N Spring St, Mason, TX compare to other homes in Mason 76856?

Among the 1,820 homes in Mason 76856, it is worth more than 48% of them ($277,535 against a typical $285,587) and its lot is bigger than 86% of them (3.82 ac against a typical 0.71 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 521 N Spring St, Mason, TX?

The 2025 property tax bill for 521 N Spring St, Mason, TX was $618. The county assessed it at $38,916.

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Assigned schools

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